Inspection
„In engineering activities inspection involves the measurements, tests, and gauges applied to certain characteristics in regard to an object or activity. The results are usually compared to specified requirements and standards for determining whether the item or activity is in line with these targets. Inspections are usually non-destructive.”
For further information click to EEMUA 159, BS2654, EN14015, API, RBI/ RL and at last but not least Consultancy